<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
       .top{
           width: 1000px;
           height: 90px;
           position: relative;
       } 
       .arr-l,.arr-r{
           width: 40px;
           height: 40px;
           background-color: blue;
           position: absolute;
           margin-top: -20px;
       }
       .arr-l{
           top: 50%;
           left: 0;
       }
       .arr-r{
           top: 50%;
           right: 0;
       }
       .down{
           width: 1000px;
           height: 150px;
           background-color: #000000;
       }
    </style>
</head>
<body>
    <div class="top">
        <div class="arr-l"></div>
        <div class="arr-r"></div>
        <img src="img.jpg" alt="">
    </div>
    <div class="down"></div>
</body>
</html>